/**
 * Copyright (c) Tiny Technologies, Inc. All rights reserved.
 * Licensed under the LGPL or a commercial license.
 * For LGPL see License.txt in the project root for license information.
 * For commercial licenses see https://www.tiny.cloud/
 *
 * Version: 5.0.16 (2019-09-24)
 */
(function () {
    'use strict';

    var global = tinymce.util.Tools.resolve('tinymce.PluginManager');

    var isValidId = function (id) {
        return /^[A-Za-z][A-Za-z0-9\-:._]*$/.test(id);
    };
    var getId = function (editor) {
        var selectedNode = editor.selection.getNode();
        var isAnchor = selectedNode.tagName === 'A' && editor.dom.getAttrib(selectedNode, 'href') === '';
        return isAnchor ? selectedNode.getAttribute('id') || selectedNode.getAttribute('name') : '';
    };
    var insert = function (editor, id) {
        var selectedNode = editor.selection.getNode();
        var isAnchor = selectedNode.tagName === 'A' && editor.dom.getAttrib(selectedNode, 'href') === '';
        if (isAnchor) {
            selectedNode.removeAttribute('name');
            selectedNode.id = id;
            editor.undoManager.add();
        } else {
            editor.focus();
            editor.selection.collapse(true);
            editor.execCommand('mceInsertContent', false, editor.dom.createHTML('a', {id: id}));
        }
    };
    var Anchor = {
        isValidId: isValidId,
        getId: getId,
        insert: insert
    };

    var insertAnchor = function (editor, newId) {
        if (!Anchor.isValidId(newId)) {
            editor.windowManager.alert('Id should start with a letter, followed only by letters, numbers, dashes, dots, colons or underscores.');
            return true;
        } else {
            Anchor.insert(editor, newId);
            return false;
        }
    };
    var open = function (editor) {
        var currentId = Anchor.getId(editor);
        editor.windowManager.open({
            title: 'Anchor',
            size: 'normal',
            body: {
                type: 'panel',
                items: [{
                    name: 'id',
                    type: 'input',
                    label: 'ID',
                    placeholder: 'example'
                }]
            },
            buttons: [
                {
                    type: 'cancel',
                    name: 'cancel',
                    text: 'Cancel'
                },
                {
                    type: 'submit',
                    name: 'save',
                    text: 'Save',
                    primary: true
                }
            ],
            initialData: {id: currentId},
            onSubmit: function (api) {
                if (!insertAnchor(editor, api.getData().id)) {
                    api.close();
                }
            }
        });
    };
    var Dialog = {open: open};

    var register = function (editor) {
        editor.addCommand('mceAnchor', function () {
            Dialog.open(editor);
        });
    };
    var Commands = {register: register};

    var isAnchorNode = function (node) {
        return !node.attr('href') && (node.attr('id') || node.attr('name')) && !node.firstChild;
    };
    var setContentEditable = function (state) {
        return function (nodes) {
            for (var i = 0; i < nodes.length; i++) {
                if (isAnchorNode(nodes[i])) {
                    nodes[i].attr('contenteditable', state);
                }
            }
        };
    };
    var setup = function (editor) {
        editor.on('PreInit', function () {
            editor.parser.addNodeFilter('a', setContentEditable('false'));
            editor.serializer.addNodeFilter('a', setContentEditable(null));
        });
    };
    var FilterContent = {setup: setup};

    var register$1 = function (editor) {
        editor.ui.registry.addToggleButton('anchor', {
            icon: 'bookmark',
            tooltip: 'Anchor',
            onAction: function () {
                return editor.execCommand('mceAnchor');
            },
            onSetup: function (buttonApi) {
                return editor.selection.selectorChangedWithUnbind('a:not([href])', buttonApi.setActive).unbind;
            }
        });
        editor.ui.registry.addMenuItem('anchor', {
            icon: 'bookmark',
            text: 'Anchor...',
            onAction: function () {
                return editor.execCommand('mceAnchor');
            }
        });
    };
    var Buttons = {register: register$1};

    function Plugin() {
        global.add('anchor', function (editor) {
            FilterContent.setup(editor);
            Commands.register(editor);
            Buttons.register(editor);
        });
    }

    Plugin();

}());
